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Weldman portable single phase inverter power sources deliver constant current (CC) DC power. This is achieved using energy efficient IGBT inverter technology. These machines render smooth and stable arc for Stick / MMA and TIG welding with various types of electrodes. WE200T model is with built-in high frequency start. The machines are designed and built with careful layout of power components and cooling arrangement. Hence, the machines are suitable for heavy duty welding.

PROCESSES

WE200T   >   Stick welding   >   Lift start TIG welding   >   HF start TIG welding   >   Pulse TIG welding (with optional modification kit and pulse TIG unit)

WE200H   >   Stick welding   >   Scratch start TIG welding

FEATURES

• Portable, compact and yet reliable.
• Designed and built to operate under harshest environment and meets the requirement of quality welding in shipyards, pipelines, construction, petro-chemical plants, oil refinery, offshore works and workshop.
• Ease of maintenance.
• Welder friendly controls.
• Digital display for easy current setting.
• Step-less current control.
• 2S / 4S / Fast Tack selector switch for Trigger hold and Quick tacking.
• Gas pre flow (for gas purging) and post flow (for cooling) time adjustment.
• Current up-slope (for soft start) and down-slope (for crater filling) time adjustment.
• Arc force adjustment to minimize the electrode sticking to the weld puddle (MMA mode).
• Built-in hot start for additional current during arc striking (can be adjusted by preset potentiometer in PCB) (MMA mode).
• HF auto cut-off for protection against accidental triggering.
• Tungsten tip saving circuit (when tungsten is shorted to work piece, only 10A current flows).
• MCB for fault protection and fuse for Control circuit protection.
• Current limit, Under voltage and Overload protection.

OPTIONAL ITEMS (Require necessary modification in power source)

Remote Current / Volt control unit          WER101

Remote Pulse TIG unit                              WERP100 (for WE200T only)